# Distance between Rock Springs, WY (RKS) and Memphis, TN (MEM)

Flight distance from Rock Springs to Memphis (Southwest Wyoming Regional Airport – Memphis International Airport) is 1128 miles / 1816 kilometers / 980 nautical miles. Estimated flight time is 2 hours 38 minutes.

Driving distance from Rock Springs (RKS) to Memphis (MEM) is 1348 miles / 2169 kilometers and travel time by car is about 23 hours 7 minutes.

## Map of flight path and driving directions from Rock Springs to Memphis.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Memphis International Airport (MEM).

## How far is Memphis from Rock Springs?

There are several ways to calculate distances between Rock Springs and Memphis. Here are two common methods:

Vincenty's formula (applied above)
• 1128.225 miles
• 1815.701 kilometers
• 980.400 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 1126.264 miles
• 1812.547 kilometers
• 978.697 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

## Airport information

A Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

B Memphis International Airport
City: Memphis, TN
Country: United States
IATA Code: MEM
ICAO Code: KMEM
Coordinates: 35°2′32″N, 89°58′36″W

## Time difference and current local times

The time difference between Rock Springs and Memphis is 1 hour. Memphis is 1 hour ahead of Rock Springs.

MDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 158 kg (349 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Memphis (MEM).

Distance:
1128
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1128

Round trip?